    001    package net.minecraft.src;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import java.awt.image.BufferedImage;
    006    import java.io.BufferedReader;
    007    import java.io.IOException;
    008    import java.io.InputStreamReader;
    009    import java.nio.charset.Charset;
    010    import java.util.ArrayList;
    011    import java.util.Calendar;
    012    import java.util.Date;
    013    import java.util.List;
    014    import java.util.Random;
    015    import net.minecraft.client.Minecraft;
    016    import org.lwjgl.opengl.GL11;
    017    import org.lwjgl.util.glu.GLU;
    018
    019    import com.google.common.base.Strings;
    020    import com.google.common.collect.Lists;
    021
    022    import cpw.mods.fml.client.GuiModList;
    023    import cpw.mods.fml.common.FMLCommonHandler;
    024
    025    @SideOnly(Side.CLIENT)
    026    public class GuiMainMenu extends GuiScreen
    027    {
    028        /** The RNG used by the Main Menu Screen. */
    029        private static final Random rand = new Random();
    030
    031        /** Counts the number of screen updates. */
    032        private float updateCounter = 0.0F;
    033
    034        /** The splash message. */
    035        private String splashText = "missingno";
    036        private GuiButton buttonResetDemo;
    037
    038        /** Timer used to rotate the panorama, increases every tick. */
    039        private int panoramaTimer = 0;
    040
    041        /**
    042         * Texture allocated for the current viewport of the main menu's panorama background.
    043         */
    044        private int viewportTexture;
    045
    046        /** An array of all the paths to the panorama pictures. */
    047        private static final String[] titlePanoramaPaths = new String[] {"/title/bg/panorama0.png", "/title/bg/panorama1.png", "/title/bg/panorama2.png", "/title/bg/panorama3.png", "/title/bg/panorama4.png", "/title/bg/panorama5.png"};
    048
    049        public GuiMainMenu()
    050        {
    051            BufferedReader var1 = null;
    052
    053            try
    054            {
    055                ArrayList var2 = new ArrayList();
    056                var1 = new BufferedReader(new InputStreamReader(GuiMainMenu.class.getResourceAsStream("/title/splashes.txt"), Charset.forName("UTF-8")));
    057                String var3;
    058
    059                while ((var3 = var1.readLine()) != null)
    060                {
    061                    var3 = var3.trim();
    062
    063                    if (var3.length() > 0)
    064                    {
    065                        var2.add(var3);
    066                    }
    067                }
    068
    069                do
    070                {
    071                    this.splashText = (String)var2.get(rand.nextInt(var2.size()));
    072                }
    073                while (this.splashText.hashCode() == 125780783);
    074            }
    075            catch (IOException var12)
    076            {
    077                ;
    078            }
    079            finally
    080            {
    081                if (var1 != null)
    082                {
    083                    try
    084                    {
    085                        var1.close();
    086                    }
    087                    catch (IOException var11)
    088                    {
    089                        ;
    090                    }
    091                }
    092            }
    093
    094            this.updateCounter = rand.nextFloat();
    095        }
    096
    097        /**
    098         * Called from the main game loop to update the screen.
    099         */
    100        public void updateScreen()
    101        {
    102            ++this.panoramaTimer;
    103        }
    104
    105        /**
    106         * Returns true if this GUI should pause the game when it is displayed in single-player
    107         */
    108        public boolean doesGuiPauseGame()
    109        {
    110            return false;
    111        }
    112
    113        /**
    114         * Fired when a key is typed. This is the equivalent of KeyListener.keyTyped(KeyEvent e).
    115         */
    116        protected void keyTyped(char par1, int par2) {}
    117
    118        /**
    119         * Adds the buttons (and other controls) to the screen in question.
    120         */
    121        public void initGui()
    122        {
    123            this.viewportTexture = this.mc.renderEngine.allocateAndSetupTexture(new BufferedImage(256, 256, 2));
    124            Calendar var1 = Calendar.getInstance();
    125            var1.setTime(new Date());
    126
    127            if (var1.get(2) + 1 == 11 && var1.get(5) == 9)
    128            {
    129                this.splashText = "Happy birthday, ez!";
    130            }
    131            else if (var1.get(2) + 1 == 6 && var1.get(5) == 1)
    132            {
    133                this.splashText = "Happy birthday, Notch!";
    134            }
    135            else if (var1.get(2) + 1 == 12 && var1.get(5) == 24)
    136            {
    137                this.splashText = "Merry X-mas!";
    138            }
    139            else if (var1.get(2) + 1 == 1 && var1.get(5) == 1)
    140            {
    141                this.splashText = "Happy new year!";
    142            }
    143            else if (var1.get(2) + 1 == 10 && var1.get(5) == 31)
    144            {
    145                this.splashText = "OOoooOOOoooo! Spooky!";
    146            }
    147
    148            StringTranslate var2 = StringTranslate.getInstance();
    149            int var4 = this.height / 4 + 48;
    150
    151            if (this.mc.isDemo())
    152            {
    153                this.addDemoButtons(var4, 24, var2);
    154            }
    155            else
    156            {
    157                this.addSingleplayerMultiplayerButtons(var4, 24, var2);
    158            }
    159
    160            this.controlList.add(new GuiButton(3, this.width / 2 - 100, var4 + 48, 98, 20, var2.translateKey("menu.mods")));
    161            this.controlList.add(new GuiButton(6, this.width / 2 + 2, var4 + 48, 98, 20, "Mods"));
    162
    163            if (this.mc.hideQuitButton)
    164            {
    165                this.controlList.add(new GuiButton(0, this.width / 2 - 100, var4 + 72, var2.translateKey("menu.options")));
    166            }
    167            else
    168            {
    169                this.controlList.add(new GuiButton(0, this.width / 2 - 100, var4 + 72 + 12, 98, 20, var2.translateKey("menu.options")));
    170                this.controlList.add(new GuiButton(4, this.width / 2 + 2, var4 + 72 + 12, 98, 20, var2.translateKey("menu.quit")));
    171            }
    172
    173            this.controlList.add(new GuiButtonLanguage(5, this.width / 2 - 124, var4 + 72 + 12));
    174        }
    175
    176        /**
    177         * Adds Singleplayer and Multiplayer buttons on Main Menu for players who have bought the game.
    178         */
    179        private void addSingleplayerMultiplayerButtons(int par1, int par2, StringTranslate par3StringTranslate)
    180        {
    181            this.controlList.add(new GuiButton(1, this.width / 2 - 100, par1, par3StringTranslate.translateKey("menu.singleplayer")));
    182            this.controlList.add(new GuiButton(2, this.width / 2 - 100, par1 + par2 * 1, par3StringTranslate.translateKey("menu.multiplayer")));
    183        }
    184
    185        /**
    186         * Adds Demo buttons on Main Menu for players who are playing Demo.
    187         */
    188        private void addDemoButtons(int par1, int par2, StringTranslate par3StringTranslate)
    189        {
    190            this.controlList.add(new GuiButton(11, this.width / 2 - 100, par1, par3StringTranslate.translateKey("menu.playdemo")));
    191            this.controlList.add(this.buttonResetDemo = new GuiButton(12, this.width / 2 - 100, par1 + par2 * 1, par3StringTranslate.translateKey("menu.resetdemo")));
    192            ISaveFormat var4 = this.mc.getSaveLoader();
    193            WorldInfo var5 = var4.getWorldInfo("Demo_World");
    194
    195            if (var5 == null)
    196            {
    197                this.buttonResetDemo.enabled = false;
    198            }
    199        }
    200
    201        /**
    202         * Fired when a control is clicked. This is the equivalent of ActionListener.actionPerformed(ActionEvent e).
    203         */
    204        protected void actionPerformed(GuiButton par1GuiButton)
    205        {
    206            if (par1GuiButton.id == 0)
    207            {
    208                this.mc.displayGuiScreen(new GuiOptions(this, this.mc.gameSettings));
    209            }
    210
    211            if (par1GuiButton.id == 5)
    212            {
    213                this.mc.displayGuiScreen(new GuiLanguage(this, this.mc.gameSettings));
    214            }
    215
    216            if (par1GuiButton.id == 1)
    217            {
    218                this.mc.displayGuiScreen(new GuiSelectWorld(this));
    219            }
    220
    221            if (par1GuiButton.id == 2)
    222            {
    223                this.mc.displayGuiScreen(new GuiMultiplayer(this));
    224            }
    225
    226            if (par1GuiButton.id == 3)
    227            {
    228                this.mc.displayGuiScreen(new GuiTexturePacks(this));
    229            }
    230
    231            if (par1GuiButton.id == 4)
    232            {
    233                this.mc.shutdown();
    234            }
    235
    236            if (par1GuiButton.id == 6)
    237            {
    238                this.mc.displayGuiScreen(new GuiModList(this));
    239            }
    240
    241            if (par1GuiButton.id == 11)
    242            {
    243                this.mc.launchIntegratedServer("Demo_World", "Demo_World", DemoWorldServer.demoWorldSettings);
    244            }
    245
    246            if (par1GuiButton.id == 12)
    247            {
    248                ISaveFormat var2 = this.mc.getSaveLoader();
    249                WorldInfo var3 = var2.getWorldInfo("Demo_World");
    250
    251                if (var3 != null)
    252                {
    253                    GuiYesNo var4 = GuiSelectWorld.getDeleteWorldScreen(this, var3.getWorldName(), 12);
    254                    this.mc.displayGuiScreen(var4);
    255                }
    256            }
    257        }
    258
    259        public void confirmClicked(boolean par1, int par2)
    260        {
    261            if (par1 && par2 == 12)
    262            {
    263                ISaveFormat var3 = this.mc.getSaveLoader();
    264                var3.flushCache();
    265                var3.deleteWorldDirectory("Demo_World");
    266                this.mc.displayGuiScreen(this);
    267            }
    268        }
    269
    270        /**
    271         * Draws the main menu panorama
    272         */
    273        private void drawPanorama(int par1, int par2, float par3)
    274        {
    275            Tessellator var4 = Tessellator.instance;
    276            GL11.glMatrixMode(GL11.GL_PROJECTION);
    277            GL11.glPushMatrix();
    278            GL11.glLoadIdentity();
    279            GLU.gluPerspective(120.0F, 1.0F, 0.05F, 10.0F);
    280            GL11.glMatrixMode(GL11.GL_MODELVIEW);
    281            GL11.glPushMatrix();
    282            GL11.glLoadIdentity();
    283            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    284            GL11.glRotatef(180.0F, 1.0F, 0.0F, 0.0F);
    285            GL11.glEnable(GL11.GL_BLEND);
    286            GL11.glDisable(GL11.GL_ALPHA_TEST);
    287            GL11.glDisable(GL11.GL_CULL_FACE);
    288            GL11.glDepthMask(false);
    289            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    290            byte var5 = 8;
    291
    292            for (int var6 = 0; var6 < var5 * var5; ++var6)
    293            {
    294                GL11.glPushMatrix();
    295                float var7 = ((float)(var6 % var5) / (float)var5 - 0.5F) / 64.0F;
    296                float var8 = ((float)(var6 / var5) / (float)var5 - 0.5F) / 64.0F;
    297                float var9 = 0.0F;
    298                GL11.glTranslatef(var7, var8, var9);
    299                GL11.glRotatef(MathHelper.sin(((float)this.panoramaTimer + par3) / 400.0F) * 25.0F + 20.0F, 1.0F, 0.0F, 0.0F);
    300                GL11.glRotatef(-((float)this.panoramaTimer + par3) * 0.1F, 0.0F, 1.0F, 0.0F);
    301
    302                for (int var10 = 0; var10 < 6; ++var10)
    303                {
    304                    GL11.glPushMatrix();
    305
    306                    if (var10 == 1)
    307                    {
    308                        GL11.glRotatef(90.0F, 0.0F, 1.0F, 0.0F);
    309                    }
    310
    311                    if (var10 == 2)
    312                    {
    313                        GL11.glRotatef(180.0F, 0.0F, 1.0F, 0.0F);
    314                    }
    315
    316                    if (var10 == 3)
    317                    {
    318                        GL11.glRotatef(-90.0F, 0.0F, 1.0F, 0.0F);
    319                    }
    320
    321                    if (var10 == 4)
    322                    {
    323                        GL11.glRotatef(90.0F, 1.0F, 0.0F, 0.0F);
    324                    }
    325
    326                    if (var10 == 5)
    327                    {
    328                        GL11.glRotatef(-90.0F, 1.0F, 0.0F, 0.0F);
    329                    }
    330
    331                    GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture(titlePanoramaPaths[var10]));
    332                    var4.startDrawingQuads();
    333                    var4.setColorRGBA_I(16777215, 255 / (var6 + 1));
    334                    float var11 = 0.0F;
    335                    var4.addVertexWithUV(-1.0D, -1.0D, 1.0D, (double)(0.0F + var11), (double)(0.0F + var11));
    336                    var4.addVertexWithUV(1.0D, -1.0D, 1.0D, (double)(1.0F - var11), (double)(0.0F + var11));
    337                    var4.addVertexWithUV(1.0D, 1.0D, 1.0D, (double)(1.0F - var11), (double)(1.0F - var11));
    338                    var4.addVertexWithUV(-1.0D, 1.0D, 1.0D, (double)(0.0F + var11), (double)(1.0F - var11));
    339                    var4.draw();
    340                    GL11.glPopMatrix();
    341                }
    342
    343                GL11.glPopMatrix();
    344                GL11.glColorMask(true, true, true, false);
    345            }
    346
    347            var4.setTranslation(0.0D, 0.0D, 0.0D);
    348            GL11.glColorMask(true, true, true, true);
    349            GL11.glMatrixMode(GL11.GL_PROJECTION);
    350            GL11.glPopMatrix();
    351            GL11.glMatrixMode(GL11.GL_MODELVIEW);
    352            GL11.glPopMatrix();
    353            GL11.glDepthMask(true);
    354            GL11.glEnable(GL11.GL_CULL_FACE);
    355            GL11.glEnable(GL11.GL_ALPHA_TEST);
    356            GL11.glEnable(GL11.GL_DEPTH_TEST);
    357        }
    358
    359        /**
    360         * Rotate and blurs the skybox view in the main menu
    361         */
    362        private void rotateAndBlurSkybox(float par1)
    363        {
    364            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.viewportTexture);
    365            GL11.glCopyTexSubImage2D(GL11.GL_TEXTURE_2D, 0, 0, 0, 0, 0, 256, 256);
    366            GL11.glEnable(GL11.GL_BLEND);
    367            GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    368            GL11.glColorMask(true, true, true, false);
    369            Tessellator var2 = Tessellator.instance;
    370            var2.startDrawingQuads();
    371            byte var3 = 3;
    372
    373            for (int var4 = 0; var4 < var3; ++var4)
    374            {
    375                var2.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F / (float)(var4 + 1));
    376                int var5 = this.width;
    377                int var6 = this.height;
    378                float var7 = (float)(var4 - var3 / 2) / 256.0F;
    379                var2.addVertexWithUV((double)var5, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 0.0D);
    380                var2.addVertexWithUV((double)var5, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 0.0D);
    381                var2.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(1.0F + var7), 1.0D);
    382                var2.addVertexWithUV(0.0D, (double)var6, (double)this.zLevel, (double)(0.0F + var7), 1.0D);
    383            }
    384
    385            var2.draw();
    386            GL11.glColorMask(true, true, true, true);
    387        }
    388
    389        /**
    390         * Renders the skybox in the main menu
    391         */
    392        private void renderSkybox(int par1, int par2, float par3)
    393        {
    394            GL11.glViewport(0, 0, 256, 256);
    395            this.drawPanorama(par1, par2, par3);
    396            GL11.glDisable(GL11.GL_TEXTURE_2D);
    397            GL11.glEnable(GL11.GL_TEXTURE_2D);
    398            this.rotateAndBlurSkybox(par3);
    399            this.rotateAndBlurSkybox(par3);
    400            this.rotateAndBlurSkybox(par3);
    401            this.rotateAndBlurSkybox(par3);
    402            this.rotateAndBlurSkybox(par3);
    403            this.rotateAndBlurSkybox(par3);
    404            this.rotateAndBlurSkybox(par3);
    405            this.rotateAndBlurSkybox(par3);
    406            GL11.glViewport(0, 0, this.mc.displayWidth, this.mc.displayHeight);
    407            Tessellator var4 = Tessellator.instance;
    408            var4.startDrawingQuads();
    409            float var5 = this.width > this.height ? 120.0F / (float)this.width : 120.0F / (float)this.height;
    410            float var6 = (float)this.height * var5 / 256.0F;
    411            float var7 = (float)this.width * var5 / 256.0F;
    412            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_LINEAR);
    413            GL11.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_LINEAR);
    414            var4.setColorRGBA_F(1.0F, 1.0F, 1.0F, 1.0F);
    415            int var8 = this.width;
    416            int var9 = this.height;
    417            var4.addVertexWithUV(0.0D, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F + var7));
    418            var4.addVertexWithUV((double)var8, (double)var9, (double)this.zLevel, (double)(0.5F - var6), (double)(0.5F - var7));
    419            var4.addVertexWithUV((double)var8, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F - var7));
    420            var4.addVertexWithUV(0.0D, 0.0D, (double)this.zLevel, (double)(0.5F + var6), (double)(0.5F + var7));
    421            var4.draw();
    422        }
    423
    424        /**
    425         * Draws the screen and all the components in it.
    426         */
    427        public void drawScreen(int par1, int par2, float par3)
    428        {
    429            this.renderSkybox(par1, par2, par3);
    430            Tessellator var4 = Tessellator.instance;
    431            short var5 = 274;
    432            int var6 = this.width / 2 - var5 / 2;
    433            byte var7 = 30;
    434            this.drawGradientRect(0, 0, this.width, this.height, -2130706433, 16777215);
    435            this.drawGradientRect(0, 0, this.width, this.height, 0, Integer.MIN_VALUE);
    436            GL11.glBindTexture(GL11.GL_TEXTURE_2D, this.mc.renderEngine.getTexture("/title/mclogo.png"));
    437            GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
    438
    439            if ((double)this.updateCounter < 1.0E-4D)
    440            {
    441                this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 99, 44);
    442                this.drawTexturedModalRect(var6 + 99, var7 + 0, 129, 0, 27, 44);
    443                this.drawTexturedModalRect(var6 + 99 + 26, var7 + 0, 126, 0, 3, 44);
    444                this.drawTexturedModalRect(var6 + 99 + 26 + 3, var7 + 0, 99, 0, 26, 44);
    445                this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
    446            }
    447            else
    448            {
    449                this.drawTexturedModalRect(var6 + 0, var7 + 0, 0, 0, 155, 44);
    450                this.drawTexturedModalRect(var6 + 155, var7 + 0, 0, 45, 155, 44);
    451            }
    452
    453            var4.setColorOpaque_I(16777215);
    454            GL11.glPushMatrix();
    455            GL11.glTranslatef((float)(this.width / 2 + 90), 70.0F, 0.0F);
    456            GL11.glRotatef(-20.0F, 0.0F, 0.0F, 1.0F);
    457            float var8 = 1.8F - MathHelper.abs(MathHelper.sin((float)(Minecraft.getSystemTime() % 1000L) / 1000.0F * (float)Math.PI * 2.0F) * 0.1F);
    458            var8 = var8 * 100.0F / (float)(this.fontRenderer.getStringWidth(this.splashText) + 32);
    459            GL11.glScalef(var8, var8, var8);
    460            this.drawCenteredString(this.fontRenderer, this.splashText, 0, -8, 16776960);
    461            GL11.glPopMatrix();
    462            String var9 = "Minecraft 1.4";
    463
    464            if (this.mc.isDemo())
    465            {
    466                var9 = var9 + " Demo";
    467            }
    468
    469            List<String> brandings=Lists.reverse(FMLCommonHandler.instance().getBrandings());
    470            for (int i=0; i<brandings.size(); i++) {
    471                String brd = brandings.get(i);
    472                if (!Strings.isNullOrEmpty(brd))
    473                {
    474                    this.drawString(this.fontRenderer, brd, 2, this.height - ( 10 + i * (this.fontRenderer.FONT_HEIGHT + 1)), 16777215);
    475                }
    476            }
    477            String var10 = "Copyright Mojang AB. Do not distribute!";
    478            this.drawString(this.fontRenderer, var10, this.width - this.fontRenderer.getStringWidth(var10) - 2, this.height - 10, 16777215);
    479            super.drawScreen(par1, par2, par3);
    480        }
    481    }